diff --git a/ctypesgen/printer_python/printer.py b/ctypesgen/printer_python/printer.py
index 374bc880..eb96cd7a 100755
--- a/ctypesgen/printer_python/printer.py
+++ b/ctypesgen/printer_python/printer.py
@@ -123,7 +123,7 @@ def print_info(self, argv):
         # TODO(py38) consider shlex.join()
         argv = [self._strip_private_path(a) for a in argv]
         argv_str = ' '.join([f'"{a}"' if ' ' in a else a for a in argv])
-        self.file.write(f"# Auto-generated by: ctypesgen {argv_str}")
+        self.file.write(f'r"""\nAuto-generated by:\nctypesgen {argv_str}\n"""')
     
     
     def print_templates(self, opts, outpath):